Publications (20)
Euclid. III. The NISP Instrument
Euclid Collaboration, K. Jahnke, W. Gillard +434
The Near-Infrared Spectrometer and Photometer (NISP) on board the Euclid satellite provides multiband photometry and R>=450 slitless grism spectroscopy in the 950-2020nm wavelength…
Wide-Field InfrarRed Survey Telescope-Astrophysics Focused Telescope Assets WFIRST-AFTA 2015 Report
D. Spergel, N. Gehrels, C. Baltay +52
This report describes the 2014 study by the Science Definition Team (SDT) of the Wide-Field Infrared Survey Telescope (WFIRST) mission. It is a space observatory that will address…
The First Release COSMOS Optical and Near-IR Data and Catalog
P. Capak, H. Aussel, M. Ajiki +54
We present imaging data and photometry for the COSMOS survey in 15 photometric bands between 0.3um and 2.4um. These include data taken on the Subaru 8.3m telescope, the KPNO and CT…
The Spitzer-IRAC/MIPS Extragalactic Survey (SIMES): II enhanced nuclear accretion rate in galaxy groups at z0.2
I. Baronchelli, G. Rodighiero, H. I. Teplitz +22
For a sample of star forming galaxies in the redshift interval 0.15z0.3, we study how both the relative strength of the AGN infra-red emission, compared to that due to the st…
Wide-Field InfraRed Survey Telescope-Astrophysics Focused Telescope Assets WFIRST-AFTA Final Report
D. Spergel, N. Gehrels, J. Breckinridge +43
The Astro2010 Decadal Survey recommended a Wide Field Infrared Survey Telescope (WFIRST) as its top priority for a new large space mission. As conceived by the decadal survey, WFIR…
Very Strong Emission-Line Galaxies in the WISP Survey and Implications for High-Redshift Galaxies
H. Atek, B. Siana, C. Scarlata +13
The WFC3 Infrared Spectroscopic Parallel Survey (WISP) uses the Hubble Space Telescope (HST) infrared grism capabilities to obtain slitless spectra of thousands of galaxies over a…
The effect of dust geometry on the Lyman-alpha output of galaxies
C. Scarlata, J. Colbert, H. I. Teplitz +8
We present the optical spectroscopic follow-up of 31 z=0.3 Lyman-alpha (Lya) emitters, previously identified by Deharveng et al. (2008). We find that 17% of the Lya emitters have l…
WFIRST-2.4: What Every Astronomer Should Know
D. Spergel, N. Gehrels, J. Breckinridge +43
The Astro2010 Decadal Survey recommended a Wide Field Infrared Survey Telescope (WFIRST) as its top priority for a new large space mission. The report of the WFIRST-AFTA Science De…
Emission-line galaxies at from near-IR HST Slitless Spectroscopy: metallicities, star formation rates and redshift confirmations from VLT/FORS2 spectroscopy
K. Boyett, A. J. Bunker, J Chevallard +14
We follow up emission line galaxies identified through the near-infrared slitless HST/WFC3 WISP survey with VLT/FORS2 optical spectroscopy. Over 4 WISP fields, we targetted 85 of 1…
The Spitzer Archival Far-InfraRed Extragalactic Survey
D. Hanish, P. Capak, H. Teplitz +16
We present the Spitzer Archival Far-InfraRed Extragalactic Survey (SAFIRES). This program produces refined mosaics and source lists for all far-infrared extragalactic data taken du…
The average dust attenuation curve at z~1.3 based on HST grism surveys
A. J. Battisti, M. B. Bagley, I. Baronchelli +12
We present the first characterisation of the average dust attenuation curve at by combining rest-frame ultraviolet through near-IR photometry with Balmer decrement ($\ma…
The WFC3 Infrared Spectroscopic Parallel (WISP) Survey
H. Atek, M. Malkan, P. McCarthy +12
We present the WFC3 Infrared Spectroscopic Parallel (WISP) Survey. WISP is obtaining slitless, near-infrared grism spectroscopy of ~ 90 independent, high-latitude fields by observi…
Far-Infrared Properties of Type 1 Quasars
D. J. Hanish, H. I. Teplitz, P. Capak +15
We use the Spitzer Space Telescope Enhanced Imaging Products (SEIP) and the Spitzer Archival Far-InfraRed Extragalactic Survey (SAFIRES) to study the spectral energy distributions…
Euclid. I. Overview of the Euclid mission
Euclid Collaboration, Y. Mellier, Abdurro'uf +1134
The current standard model of cosmology successfully describes a variety of measurements, but the nature of its main ingredients, dark matter and dark energy, remains unknown. Eucl…
HeII emission in Lyman-alpha nebulae: AGN or cooling radiation?
C. Scarlata, J. Colbert, H. I. Teplitz +6
We present a study of an extended Lyman-alpha (Lya) nebula located in a known overdensity at z~2.38. The data include multiwavelength photometry covering the rest-frame spectral ra…
COSMOS : Hubble Space Telescope Observations
N. Scoville, A. Benson, A. W. Blain +50
The Cosmic Evolution Survey (COSMOS) was initiated with an extensive allocation (590 orbits in Cycles 12-13) using the Hubble Space Telescope (HST) for high resolution imaging. Her…
Identification of single spectral lines in large spectroscopic surveys using UMLAUT: an Unsupervised Machine Learning Algorithm based on Unbiased Topology
I. Baronchelli, C. M. Scarlata, L. Rodriguez-Muñoz +19
The identification of an emission line is unambiguous when multiple spectral features are clearly visible in the same spectrum. However, in many cases, only one line is detected, m…
Identification of single spectral lines through supervised machine learning in a large HST survey (WISP): a pilot study for Euclid and WFIRST
I. Baronchelli, C. M. Scarlata, G. Rodighiero +13
Future surveys focusing on understanding the nature of dark energy (e.g., Euclid and WFIRST) will cover large fractions of the extragalactic sky in near-IR slitless spectroscopy. T…
The Spitzer-IRAC/MIPS Extragalactic survey (SIMES) in the South Ecliptic Pole field
I. Baronchelli, C. Scarlata, G. Rodighiero +25
We present the Spitzer-IRAC/MIPS Extragalactic survey (SIMES) in the South Ecliptic Pole (SEP) field. The large area covered (7.7 deg), together with one of the lowest Galactic…
WFC3 Infrared Spectroscopic Parallel (WISP) Survey: Photometric and Emission Line Data Release
A. J. Battisti, M. B. Bagley, M. Rafelski +21
We present reduced images and catalogues of photometric and emission line data (230,000 and 8,000 sources, respectively) for the WFC3 Infrared Spectroscopic Parallel (W…